Which type of magnet is created when a magnetic material is placed near a magnet and gains magnetic properties? |
Card: 3 / 38 |
Riddle: I can be strong or weak, but I only exist when current flows. What am I? |
Card: 7 / 38 |
Fill in the blank: The ______ is the point where the net magnetic field is zero. |
Card: 15 / 38 |
Riddle: I am a material that can be magnetized easily and lose magnetism quickly when current stops. What am I? |
Card: 19 / 38 |
![]() Unlock all Flashcards with EduRev Infinity Plan Starting from @ ₹99 only
|
True or False: The Earth's magnetic poles are aligned exactly with its geographic poles. |
Card: 21 / 38 |
Fill in the blank: The magnetic field of Earth is directed from geographic ______ to ______. |
Card: 25 / 38 |
What effect does increasing the current in a solenoid have on the magnetic field? |
Card: 27 / 38 |
What type of magnetic field is produced when a bar magnet's north pole faces north? |
Card: 31 / 38 |
MCQ: Which of the following describes the property of a permanent magnet? A) Temporary field B) Easily demagnetized C) Field strength can be changed D) Retains magnetism |
Card: 33 / 38 |
Fill in the blank: A magnet's north pole will attract a ______ pole of another magnet. |
Card: 35 / 38 |
What is the primary difference between an electromagnet and a permanent magnet? |
Card: 37 / 38 |
Electromagnets are temporary and depend on current flow, while permanent magnets retain their magnetism. |
Card: 38 / 38 |